The latest version of DJGPP (a port of GCC to MS-DOS running on an i386 or
higher) can be found at ftp://ftp.delorie.com/pub/djgpp/ (or any other local
DJGPP mirror site) via anonymous FTP. Both sources and binaries are available
there. More information is available on the WWW at
http://www.delorie.com/djgpp/
You can also get DJGPP on CD-ROM from the FSF on our "GNU Software for
MS-Windows and MS-DOS and Compatible Systems" book/CD set. See
http://orders.fsf.org for ordering online.